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Mount Airy, North Carolina wool sock mill that knits merino socks for private-label clients such as REI and L.L.Bean, makes licensed lines, and owns Farm to Feet; some programs use synthetic yarns.

Norwegian wool brand making merino wool base layers, thermal underwear, fleece-wool layers and beanies, using New Zealand merino knitted in its own Estonian facility.

Arequipa knitwear and apparel maker producing alpaca and organic cotton sweaters, coats and accessories for brands and designers; also runs its own label, Anntarah.

WFTO-member Fair Trade knitwear maker in Lima producing alpaca, cotton and merino knits for designer brands under private label and its own MKM label.